Brush Type Manual - General Dynamics Global Imaging Technologies

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1500V-062
Brush Type DC Motors
RED
.100 MAX.
.475
.065
MTG DIM
+.001
.625 -.000
+.000
1.500 -.001
.700 MIN.
2 PL
2.
1. BLACK
Size Constants:
.063 THRU
C'SK 82° x .125 4 HOLES
EQ. SP. ON 1.365 B.C.
(all values at 25° C ambient temperature)
Units Symbol Value
Peak Torque, stalled @Vp: oz-in Tp 28
Power I 2 R @Tp: watts P 93
Continuous Stall Torque oz-in Tcs 3.78
Motor Constant oz-in/ W Km 2.91
Electrical Time Constant ms Te 0.19
Mechanical Time Constant ms tm 12.9
Damping Factor (zero impedance) oz-in/(rad/sec) Fo 0.060
Break Away Torque oz-in Tf 0.85
Rotor Inertia oz-in-sec 2 Jm 0.00077
Theoretical Acceleration @ Tp rad/sec 2 t 36364
Ripple Frequency cycles/rev f R 29
Ripple Torque % (ave to peak) T R 7
Theoretical No Load Speed @ Tp rad/sec NLT 447.1
Weight oz WT 2.7
Maximum Allowable Temperature °C (at winding) Temp. 155
Thermal Resistence °C/W tpr 24.0
Winding Constants
Peak Current @ Tp Amps Nominal Ip 8.59 4.41 2.87
www.axsys.com
29
.620
NOTES:
(all values at 25° C ambient temperature)
.400
1. LEADS: #26 AWG TYPE
"ET" TEFLON COATED
PER MIL-W-16878, 12
INCHES MINIMUM
LENGTH.
2. MOTOR TO ROTATE CW
VIEWED FROM BRUSH
END WITH POSITIVE
VOLTAGE APPLIED TO
RED LEADWIRE WITH
RESPECT TO THE
BLACK.
Units TOL. Symbol -012 -043 -105
Resistance ohms +/-12.5% R 1.25 4.77 11.3
Inductance mH +/-30% L 0.24 0.92 2.17
Torque Sensitivity oz-in/A +/-10% Kt 3.25 6.35 9.77
Back EMF Constant: V/(rad/sec) +/-10% Kb 0.023 0.045 0.069
Peak Voltage @ Tp Volts Nominal Vp 10.8 21.0 32.4
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Brush Type DC Motors
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